一、建立科学的用材林规划和进行科学的投资决策(一)方法研究的必要性我国传统的用材林规划与投资决策为什么会造成失误呢?主要原因是:第一,忽视商品经济和价值规律。忽视市场机制的作用,规划和投资缺乏科学依据,不是通过预测,在了解未来市场需求的基础上,确定产品的生产方向和投资规模,而且采用以产定销的方法,制定生产计划和基建投资计划。其次,忽视林业生产周期长的特点,忽视用材林从培育到木材产出在时间上有很长的滞后性。林业计划仅仅有木材生产的平衡,而没有资源生产——资源储 First, the establishment of a scientific timber forest planning and scientific investment decision-making (A) the necessity of methodological research China’s traditional timber forest planning and investment decision-making Why the error? The main reasons are: First, ignore the commodity economy and the law of value. Ignoring the role of market mechanism, lack of scientific basis for planning and investment, not through prediction, based on an understanding of the future market demand, to determine the product’s production direction and scale of investment, and the use of production and marketing methods to develop production planning and infrastructure investment plan. Second, ignoring the long period of forestry production, neglecting the long-term lag of time from timber cultivation to timber output. Forestry programs have only a balance of timber production, and no resource production - resource storage